Transformer winding hoisting device

Abstract

The utility model relates to the technical field of hoisting equipment, in particular to a transformer winding hoisting device. Comprising a rack, a mounting plate, a second power assembly and two clamping assemblies. A plurality of universal wheels are mounted at the bottom end of the rack; two moving plates are slidably mounted at the bottom end of the mounting plate, and a first power assembly used for driving the two moving plates to be close to or away from each other is arranged on the mounting plate. The second power assembly is installed on the rack and used for driving the installation plate to ascend and descend. The two clamping assemblies are installed on the moving plates on the two sides correspondingly. According to the transformer winding clamping device, the two sets of clamping assemblies are arranged, the transformer winding clamping device can be suitable for clamping work of transformer windings of different sizes, the multiple clamping plates form multi-point clamping, and therefore the stability of the device for clamping the transformer windings is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting equipment, in particular to a transformer winding hoisting device. Background Art

[0002] In the field of transformers, transformer windings are the core components of transformers. In the process of transformer core disassembly and repair, the transformer windings are usually assembled using double "L" shaped hooks, which are used to hook the bottom of the cylindrical coil and pull it upwards.

[0003] The Chinese patent with the announcement number CN201605095U discloses a transformer winding hoisting device, which is characterized in that: a corresponding hinge is provided on the lifting ring shaft with a lifting arm, an adjusting screw is threadedly connected to the upper part of the two lifting arms, a locking screw is threadedly connected to the middle part of the lifting arm, and a semicircular claw is provided on the inner end hinge of the locking screw.

[0004] The above-mentioned disclosed patent still has the following technical defects: the semicircular claws are only suitable for fixing transformer windings of a specific diameter due to their fixed radius. When clamping smaller transformer windings, they cannot achieve fixation. When clamping larger transformer windings, there are only two points of contact between the semicircular claws and the transformer windings, thereby reducing the stability of clamping the transformer windings. Utility Model Content

[0005] The utility model aims to provide a transformer winding hoisting device in view of the problems existing in the background technology.

[0006] The technical solution of the utility model is a transformer winding hoisting device, comprising:

[0007] A frame, wherein a plurality of universal wheels are installed at the bottom end of the frame;

[0008] A mounting plate, two movable plates are slidably mounted on the bottom end of the mounting plate, and a first power assembly for driving the two movable plates to move closer to or away from each other is provided on the mounting plate;

[0009] A second power assembly installed on the frame for driving the installation plate to rise and fall;

[0010] Two groups of clamping assemblies are respectively installed on the movable plates on both sides, and the two groups of clamping assemblies are symmetrically arranged. Each group of clamping assemblies includes multiple clamping plates. Two adjacent clamping plates are rotatably connected, and angle adjustment assemblies are installed between two adjacent clamping plates. The clamping plate located in the middle of the clamping assembly is fixedly connected with a rotating shaft, and the clamping assembly is rotatably installed on the movable plate on the corresponding side through the rotating shaft. A third power assembly for driving the rotating shafts on both sides to rotate synchronously is installed on the mounting plate.

[0011] Preferably, the frame includes a U-shaped frame and two supporting sleeves, the two ends of the bottom of the U-shaped frame are slidably installed in the supporting sleeves on both sides, and the inner side of the supporting sleeve is installed with a fourth power component for driving the U-shaped frame to rise and fall.

[0012] Preferably, the fourth power assembly includes a second servo motor and a threaded rod, the second servo motor is installed on the inner side of the supporting sleeve, the threaded rod is connected to the output shaft of the second servo motor, and the U-shaped frame is threadedly connected to the threaded rod.

[0013] Preferably, the second power assembly includes a third servo motor, a reducer, a mounting shaft, two lifting ropes and two winding drums. The mounting shaft is rotatably mounted on a U-shaped frame. The two winding drums are mounted on the mounting shaft. The two lifting ropes are respectively fixed on the winding drums on both sides. The bottom ends of the two lifting ropes are connected to the mounting plate. The third servo motor and the reducer are both mounted on the U-shaped frame. The output shaft of the third servo motor is connected to the input shaft of the reducer, and the output shaft of the reducer is connected to the mounting shaft.

[0014] Preferably, a limit plate is slidably mounted on the inner side of the U-shaped frame, and both of the two suspension ropes movably penetrate the limit plate.

[0015] Preferably, the first power assembly includes a first servo motor and a bidirectional screw, the first servo motor is mounted on a mounting plate, the bidirectional screw is connected to the output shaft of the first servo motor, and two movable plates are symmetrically arranged on the bidirectional screw and are both threadedly connected to the bidirectional screw.

[0016] Preferably, the third power assembly includes a second linear drive mechanism, a slide plate, two racks and two gear rings. The second linear drive mechanism is mounted on the mounting plate. The slide plate is connected to the output shaft of the second linear drive mechanism. The two gear rings are respectively fixed on the outer periphery of the rotating shaft on both sides. The two racks are respectively vertically slidably mounted on the movable plates on both sides, and the two racks are respectively meshed with the two gear rings. The top ends of the two racks are both slidably mounted on the slide plate.

[0017] Preferably, the angle adjustment assembly includes a first linear drive mechanism and a rotating rod, the output shaft of the first linear drive mechanism is hinged to the rotating rod, and the ends of the first linear drive mechanism and the ends of the rotating rod are hinged to the two clamping plates respectively.

[0018] Compared with the prior art, the utility model has the following beneficial technical effects:

[0019] 1. The angle between two adjacent clamping plates can be adjusted by the angle adjustment component. With the cooperation of multiple clamping plates and multiple groups of angle adjustment components, the arc of the clamping component formed by the combination of multiple clamping plates is adjustable, so that it can be suitable for clamping transformer windings of different sizes. Multiple clamping plates form multi-point clamping, thereby improving the stability of the device in clamping the transformer winding.

[0020] 2. After the transformer winding is clamped, the second linear drive mechanism is started to drive the racks on both sides to move synchronously, thereby driving the gear rings on both sides to rotate. The gear rings drive the rotating shaft and the clamping assembly to rotate, so that the transformer winding rotates, thereby forming support for the bottom end of the transformer winding to prevent the transformer winding from slipping during movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 and Figure 2 All of them are structural schematic diagrams of the present utility model.

[0022] Figure 3 It is a schematic diagram of the local structure of the utility model.

[0023] Figure numerals: 1. Support sleeve; 2. U-shaped frame; 3. Universal wheel; 4. Mounting plate; 5. Moving plate; 6. Limiting plate; 7. Lifting rope; 8. Mounting shaft; 9. Winding disk; 10. First servo motor; 11. Second servo motor; 12. Threaded rod; 13. Clamp; 14. First linear drive mechanism; 15. Rotating rod; 16. Rack; 17. Rotating shaft; 18. Gear ring; 19. Slide plate; 20. Bidirectional screw rod; 21. Third servo motor; 22. Reducer; 23. Second linear drive mechanism. DETAILED DESCRIPTION

[0024] Embodiment 1

[0025] like Figure 1-Figure 3 As shown, a transformer winding hoisting device proposed in this embodiment includes a frame, a mounting plate 4, a second power assembly and two sets of clamping assemblies.

[0026] A plurality of universal wheels 3 are installed at the bottom end of the frame; two movable plates 5 are slidably installed at the bottom end of the mounting plate 4, and a first power assembly for driving the two movable plates 5 to move closer to or away from each other is arranged on the mounting plate 4, the first power assembly comprises a first servo motor 10 and a bidirectional screw rod 20, the first servo motor 10 is installed on the mounting plate 4, the bidirectional screw rod 20 is connected to the output shaft of the first servo motor 10, the two movable plates 5 are symmetrically arranged on the bidirectional screw rod 20 and are both threadedly connected to the bidirectional screw rod 20, the rotation direction of the bidirectional screw rod 20 can be adjusted by the arranged first servo motor 10, and the two movable plates 5 can be driven closer to or away from each other; the second power assembly is installed on the frame to drive the mounting plate 4 to rise and fall.

[0027] Two groups of clamping assemblies are respectively installed on the movable plates 5 on both sides, and the two groups of clamping assemblies are symmetrically arranged. Each group of clamping assemblies includes a plurality of clamping plates 13. Two adjacent clamping plates 13 are rotatably connected, and an angle adjustment assembly is installed between two adjacent clamping plates 13. The angle adjustment assembly includes a first linear drive mechanism 14 and a rotating rod 15. The output shaft of the first linear drive mechanism 14 is hinged to the rotating rod 15, and the ends of the first linear drive mechanism 14 and the ends of the rotating rod 15 are respectively hinged to the two clamping plates 13; the clamping plate 13 located in the middle of the clamping assembly is fixedly connected to a rotating shaft 17, and the clamping assembly is rotatably installed on the corresponding clamping plate 13 through the rotating shaft 17. On the movable plate 5 on the side, a third power assembly for driving the rotating shafts 17 on both sides to rotate synchronously is installed on the mounting plate 4, and the third power assembly includes a second linear drive mechanism 23, a slide plate 19, two racks 16 and two gear rings 18. The second linear drive mechanism 23 is installed on the mounting plate 4, the slide plate 19 is connected to the output shaft of the second linear drive mechanism 23, the two gear rings 18 are respectively fixed on the outer periphery of the rotating shafts 17 on both sides, the two racks 16 are respectively vertically slidably installed on the movable plates 5 on both sides, and the two racks 16 are respectively meshed with the two gear rings 18, and the top ends of the two racks 16 are both slidably installed on the slide plate 19.

[0028] In this embodiment, a first power component is set to drive the two movable plates 5 to approach each other, and then drive the two groups of clamping components to approach each other, so as to achieve the fixing of the transformer winding. The angle between two adjacent clamping plates 13 can be adjusted by the angle adjustment component. Under the cooperation of multiple clamping plates 13 and multiple groups of angle adjustment components, the arc of the clamping component formed by the combination of multiple clamping plates 13 is adjustable, so that it can be suitable for clamping transformer windings of different sizes. Multiple clamping plates 13 form multi-point clamping, thereby improving the stability of the device in clamping the transformer winding; after clamping the transformer winding, the second linear drive mechanism 23 is started to drive the racks 16 on both sides to move synchronously, and then drive the gear rings 18 on both sides to rotate. The gear rings 18 drive the rotating shaft 17 and the clamping assembly to rotate, so that the transformer winding rotates 90 degrees, so as to form support for the bottom end of the transformer winding to prevent the transformer winding from slipping during movement.

[0029] Embodiment 2

[0030] like Figure 2As shown, a transformer winding lifting device proposed in this embodiment, compared with embodiment one, in this embodiment, the frame includes a U-shaped frame 2 and two supporting sleeves 1, the bottom ends of the U-shaped frame 2 are respectively slidably installed in the supporting sleeves 1 on both sides, and the inner side of the supporting sleeve 1 is installed with a fourth power assembly for driving the U-shaped frame 2 to rise and fall, the fourth power assembly includes a second servo motor 11 and a threaded rod 12, the second servo motor 11 is installed on the inner side of the supporting sleeve 1, the threaded rod 12 is connected to the output shaft of the second servo motor 11, the U-shaped frame 2 is threadedly connected to the threaded rod 12, and the second servo motor 11 is arranged to drive the threaded rod 12 to rotate forward and reverse, thereby being able to adjust the lifting height of the entire frame.

[0031] Embodiment 3

[0032] like Figure 1 and Figure 2 As shown, a transformer winding lifting device proposed in this embodiment, compared with the first embodiment, in this embodiment, the second power assembly includes a third servo motor 21, a reducer 22, a mounting shaft 8, two lifting ropes 7 and two winding drums 9, the mounting shaft 8 is rotatably mounted on the U-shaped frame 2, the two winding drums 9 are both mounted on the mounting shaft 8, the two lifting ropes 7 are respectively fixed on the winding drums 9 on both sides, the bottom ends of the two lifting ropes 7 are connected to the mounting plate 4, the third servo motor 21 and the reducer 22 are both mounted on the U-shaped frame 2, the output shaft of the third servo motor 21 is connected to the input shaft of the reducer 22, and the output shaft of the reducer 22 is connected to the mounting shaft 8; the cooperation of the third servo motor 21 and the reducer 22 can increase the output torque of the second power assembly, and the setting of the two lifting ropes 7 can prevent the transformer winding from rotating.

[0033] A limit plate 6 is slidably installed on the inner side of the U-shaped frame 2, and two suspension ropes 7 are movable through the limit plate 6; the limit plate 6 can limit the suspension ropes 7 to reduce the shaking of the transformer winding during the lifting process.

[0034] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A transformer winding hoisting device, characterized in that: include: A frame, wherein a plurality of universal wheels (3) are mounted at the bottom end of the frame; A mounting plate (4), two movable plates (5) being slidably mounted on the bottom end of the mounting plate (4), and a first power assembly for driving the two movable plates (5) to move closer to or away from each other is provided on the mounting plate (4); A second power assembly installed on the frame and used for driving the installation plate (4) to move up and down; Two groups of clamping assemblies are respectively mounted on the movable plates (5) on both sides, and the two groups of clamping assemblies are symmetrically arranged. Each group of clamping assemblies includes a plurality of clamping plates (13), and two adjacent clamping plates (13) are rotatably connected to each other, and an angle adjustment assembly is installed between two adjacent clamping plates (13); the clamping plate (13) located in the middle of the clamping assembly is fixedly connected to a rotating shaft (17), and the clamping assembly is rotatably mounted on the movable plate (5) on the corresponding side through the rotating shaft (17), and a third power assembly for driving the rotating shafts (17) on both sides to rotate synchronously is installed on the mounting plate (4).

2. A transformer winding hoisting device according to claim 1, characterized in that: The frame comprises a U-shaped frame (2) and two supporting sleeves (1), the two ends of the bottom of the U-shaped frame (2) are respectively slidably mounted in the supporting sleeves (1) on both sides, and a fourth power component for driving the U-shaped frame (2) to rise and fall is mounted on the inner side of the supporting sleeves (1).

3. A transformer winding hoisting device according to claim 2, characterized in that: The fourth power assembly comprises a second servo motor (11) and a threaded rod (12), wherein the second servo motor (11) is mounted on the inner side of the support sleeve (1), the threaded rod (12) is connected to the output shaft of the second servo motor (11), and the U-shaped frame (2) is threadedly connected to the threaded rod (12).

4. A transformer winding hoisting device according to claim 1, characterized in that: The second power assembly comprises a third servo motor (21), a speed reducer (22), a mounting shaft (8), two suspension ropes (7) and two winding drums (9); the mounting shaft (8) is rotatably mounted on the U-shaped frame (2); the two winding drums (9) are both mounted on the mounting shaft (8); the two suspension ropes (7) are respectively fixed on the winding drums (9) on both sides; the bottom ends of the two suspension ropes (7) are both connected to the mounting plate (4); the third servo motor (21) and the speed reducer (22) are both mounted on the U-shaped frame (2); the output shaft of the third servo motor (21) is connected to the input shaft of the speed reducer (22); and the output shaft of the speed reducer (22) is connected to the mounting shaft (8).

5. A transformer winding hoisting device according to claim 4, characterized in that: A limiting plate (6) is slidably mounted on the inner side of the U-shaped frame (2), and both of the two suspension ropes (7) are movably inserted through the limiting plate (6).

6. A transformer winding hoisting device according to claim 1, characterized in that: The first power assembly comprises a first servo motor (10) and a bidirectional screw rod (20), wherein the first servo motor (10) is mounted on a mounting plate (4), the bidirectional screw rod (20) is connected to an output shaft of the first servo motor (10), and two movable plates (5) are symmetrically arranged on the bidirectional screw rod (20) and are both threadedly connected to the bidirectional screw rod (20).

7. The transformer winding hoisting device according to claim 1, characterized in that: The third power assembly comprises a second linear drive mechanism (23), a slide plate (19), two racks (16) and two gear rings (18); the second linear drive mechanism (23) is mounted on the mounting plate (4); the slide plate (19) is connected to the output shaft of the second linear drive mechanism (23); the two gear rings (18) are respectively fixed to the outer peripheries of the rotating shafts (17) on both sides; the two racks (16) are respectively vertically slidably mounted on the moving plates (5) on both sides; the two racks (16) are respectively meshed and connected with the two gear rings (18); and the top ends of the two racks (16) are both slidably mounted on the slide plate (19).

8. The transformer winding hoisting device according to claim 1, characterized in that: The angle adjustment assembly comprises a first linear drive mechanism (14) and a rotating rod (15), wherein the output shaft of the first linear drive mechanism (14) is hinged to the rotating rod (15), and the ends of the first linear drive mechanism (14) and the ends of the rotating rod (15) are respectively hinged to the two clamping plates (13).

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